520106988 has 48 divisors (see below), whose sum is σ = 1279152000. Its totient is φ = 164026368.

The previous prime is 520106963. The next prime is 520107001. The reversal of 520106988 is 889601025.

It is a super-2 number, since 2×520106988² = 541022557932864288, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 320443 + ... + 322061.

It is an arithmetic number, because the mean of its divisors is an integer number (26649000).

Almost surely, 2^520106988 is an apocalyptic number.

It is an amenable number.

520106988 is an abundant number, since it is smaller than the sum of its proper divisors (759045012).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

520106988 is a wasteful number, since it uses less digits than its factorization.

520106988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3054 (or 3052 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 39.

The square root of 520106988 is about 22805.8542484161. The cubic root of 520106988 is about 804.2002978600.

The spelling of 520106988 in words is "five hundred twenty million, one hundred six thousand, nine hundred eighty-eight".